That prompted a social media debate with some Sky Blues fans praising his passion while others were upset that he chose to support the Owls rather than his team-mates who were playing up the road at Doncaster Rovers.

The powerhouse centre-half, whose mid-October injury proved to be one of the turning points of the season, is a player Mowbray would clearly love to have on board again next season. But the 52-year-old boss admitted: “As his manager I’m disappointed.

“I have seen some pictures of him in a Sheffield Wednesday shirt with his arms up in the air in their crowd. I’m not sure why he did that and I think he needs to be more mindful.

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“It’s no disrespect to our club really; he’s injured and he doesn’t have to come to watch our matches. He can go where he wants but it seemed a little bit ill-judged.

“It’s a delicate situation for us because we threatened to do so well this season and we have fallen away and disappointed our support base.

“I wasn’t there so I couldn’t feel the emotion of that moment. All their fans might have recognised him and started singing his name. But if it was a self indulgent thing you wonder what he’s doing.”

“Whether that changes with him wearing a Sheffield Wednesday shirt, I don’t know. Whose to say in a couple of years he’s not at a Coventry game in a Sky Blues shirt with the fans singing his name.

Should Reda Johnson have been at Doncaster?

“In the modern world of social media I think footballers have to be more mindful. Is there any harm to it? Not really other than he’ll have upset a few of our supporters, wearing a Sheffield Wednesday shirt and at a game while the team that actually pay his salary is striving away at another ground trying to win a match.

“I won’t fall out with Reda on a personal level over it. It’s just ill-judged and he has to be more mindful that in the world we live in everything is on social media immediately.”

He added: “I’ll speak to him about it but it’s not a big issue for me. I’ve no problem with him going to their game but it’s maybe a bit naive because of the social media world we live in.

“Twenty years ago no-one would have know about it but today you have to be careful.

“I don’t think there are any actions required but he’s upset one of two Coventry fans who are passionate about their club and see a player who is being paid by this club showing his allegiance elsewhere.”